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prime number

World Encyclopedia | 2005 | Copyright

prime number Positive or negative integer, excluding one and zero, that has no factors other than itself or one. Examples are 2, 3, 5, 7, 11, 13, and 17. The integers 4, 6, 8, … are not prime numbers since they can be expressed as the product of two or more primes.

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prime numbers

World Encyclopedia | 2005 | Copyright

prime numbers These are whole numbers that have only two factors ― the number itself and the number one. The only even prime number is two: all other prime numbers are odd. These are the prime numbers below 100.

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"prime numbers." World Encyclopedia. 2005. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-primenumbers.html

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prime number

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

prime number see number theory .

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"prime number." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1E1-X-primenum.html

"prime number." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-primenum.html

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Free newspaper and magazine articles

	Primes in the Smarandache deconstructive sequence. Magazine article from: Scientia Magna; 9/1/2006
	Prime numbers.(Discovery) Magazine article from: Australian Mathematics Teacher; 6/22/2008
	Recursive prime numbers.(Report) Magazine article from: Smarandache Notions Journal; 1/1/2004